CN110976264B - Red lead semi-finished product screening system and process - Google Patents
Red lead semi-finished product screening system and process Download PDFInfo
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- CN110976264B CN110976264B CN201911283785.7A CN201911283785A CN110976264B CN 110976264 B CN110976264 B CN 110976264B CN 201911283785 A CN201911283785 A CN 201911283785A CN 110976264 B CN110976264 B CN 110976264B
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- red lead
- screening
- finished product
- crushing
- lead semi
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/22—Crushing mills with screw-shaped crushing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a screening system and a process for a red lead semi-finished product, which comprises a feeding device, a fan closing device, a screening device, a crushing device, an impurity removing device, a conveying device and a power supply box, wherein the fan closing device is arranged above the screening device, the crushing device is positioned in the screening device, the crushing device is connected with the conveying device through a pipeline, the conveying device is a cloth bag type dust collector, the impurity removing device is a strong magnet, the impurity removing device is arranged on the pipeline between the crushing device and the conveying device, the power supply box is electrically connected with the fan closing device, the screening device, the crushing device and the conveying device and is used for controlling the on-off of circuits of the fan closing device, the screening device, the crushing device and the conveying device, the defects of the prior art are overcome, the red lead semi-finished product is screened through two layers of screens, the screens can be prevented from being blocked, unqualified red lead semi-finished products screened out can be automatically crushed and enter the screening device again, the one-time complete screening is realized, the production efficiency is improved, the energy is saved, the consumption is reduced, and the production cost of enterprises is further reduced.
Description
Technical Field
The invention relates to the technical field of red lead semi-finished product screening, and particularly belongs to a red lead semi-finished product screening system and a red lead semi-finished product screening process.
Background
The invention relates to a Chinese patent invention, patent No. CN201710624799.5, in particular to a red lead production water method energy-saving granulation process for producing and preparing a semi-finished product of a red lead product, which fully utilizes the residual heat of lead oxide powder, is assisted by spraying water mist, and forms lead powder particles with about 200 meshes when the lead oxide powder is cooled, wetted and collided after a granulation cylinder rotates, but the lead powder particles are not uniform, in order to produce the red lead product which has high quality and meets the national lead tetraoxide industrial standard, the semi-finished product of the red lead produced in the procedure is screened before being put into a red lead oxidation furnace, the screened qualified semi-finished product is calcined and oxidized in the next procedure, and the unqualified semi-finished product is returned for reprocessing.
The screening equipment used in traditional red lead production is mostly a single cylinder screen, that is, the screen body is cylindrical, and after the red lead semi-finished product enters the screen cylinder, the red lead semi-finished product meeting the standard is separated by continuous rotation.
Disclosure of Invention
The invention aims to provide a red lead semi-finished product screening system and a red lead semi-finished product screening process, which overcome the defects of the prior art.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a red lead semi-finished product screening system, comprising:
the feeding device is used for storing the red lead semi-finished products;
a fan is turned off, and the quantitative feeding of the red lead semi-finished product is carried out;
the screening device comprises a motor I, a shell, an inner screen and an outer screen, wherein the shell is provided with a feeding port and a product collecting port, the inner screen and the outer screen are positioned in the shell, the inner screen is arranged in the outer screen, and the inner screen and the outer screen are arranged on a rotating shaft of the motor;
the crushing device is arranged inside the inner screen, and comprises a second motor, a shaft shell and a crushing shaft, wherein the crushing shaft is arranged on a rotating shaft of the second motor, the crushing shaft is positioned in the shaft shell, a feeding hole is formed in the shaft shell, and the shaft shell is fixedly arranged on the rotating shaft of the first motor;
the impurity removal device is used for removing scrap iron in the crushed red lead semi-finished product;
the conveying device is used for collecting the crushed red lead semi-finished products;
the power supply box is electrically connected with the air closing machine, the screening device, the crushing device and the conveying device and is used for controlling the on-off of circuits of the air closing machine, the screening device, the crushing device and the conveying device;
the device comprises a feeding device, a wind closing machine, a crushing device, a conveying device and an impurity removing device, wherein the feeding device is connected with the wind closing machine, the wind closing machine is arranged above the screening device and is connected with the screening device through a pipeline, the crushing device is positioned in the screening device and is connected with the conveying device through a pipeline, and the impurity removing device is arranged on the pipeline between the crushing device and the conveying device.
Wherein, the feeding device is a feed hopper.
The inner screen and the outer screen are ellipsoidal, the inner screen is 100 meshes, and the outer screen is 200 meshes.
The impurity removing device is a strong magnet, and the strong magnet is arranged on a pipeline between the crushing device and the conveying device.
Wherein, the conveying device is a cloth bag type dust collector.
A screening process of a red lead semi-finished product comprises the following steps:
1) discharging, and closing a fan to uniformly feed the red lead semi-finished product in the feeding device into a screening device;
2) screening, namely screening the red lead semi-finished product in a screening device through an inner screen, feeding the red lead semi-finished product with the particle size smaller than the mesh of the inner screen into an outer screen, feeding the red lead semi-finished product with the particle size larger than the mesh of the inner screen into a crushing device, feeding the red lead semi-finished product with the particle size smaller than the mesh of the outer screen into a product collecting port of the screening device, and feeding the red lead semi-finished product with the particle size larger than the mesh of the outer screen into the crushing device;
3) crushing, namely crushing the red lead semi-finished product with the particle size larger than the meshes of the inner screen and larger than the meshes of the outer screen by a crushing device;
4) removing impurities, namely removing scrap iron in the crushed red lead semi-finished product with unqualified particle size;
5) conveying, namely conveying the crushed red lead semi-finished product with unqualified particle size after removing the scrap iron into a feeding device;
6) collecting the materials, and collecting the qualified red lead semi-finished products at the product collecting opening.
Compared with the prior art, the invention has the following implementation effects: the invention provides an ellipsoidal double-layer screening system and process, which can avoid screen blockage through screening by two layers of screens, can also enable unqualified red lead semi-finished products screened out to be automatically crushed and enter a screening device again, realize one-time complete screening, improve the production efficiency, save energy and reduce consumption, and further reduce the production cost of enterprises.
Drawings
FIG. 1 is a process flow diagram of the present invention.
FIG. 2 is a schematic diagram of an apparatus used in the process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation to be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
As shown in the figures 1-2, the screening system for the red lead semi-finished products comprises a feeding device 10, a fan 1, a screening device 2, a crushing device 3, an impurity removing device 4, a conveying device 5 and a power supply box 6, wherein the feeding device 10 is connected with the fan 1, the feeding device 10 is a feed hopper, the fan 1 is arranged above the screening device 2, the crushing device 3 is positioned in the screening device 2, the crushing device 3 is connected with the conveying device 5 through a pipeline 51, the conveying device 5 is a bag type dust collector, the impurity removing device 4 is strong magnet, the impurity removing device 4 is arranged on the pipeline 51 between the crushing device 3 and the conveying device 5, the power supply box 6 is electrically connected with the fan 1, the screening device 2, the crushing device 3 and the conveying device 5, used for controlling the on-off of the circuits of the air-closing machine 1, the screening device 2, the crushing device 3 and the conveying device 5. When the system is operated, firstly, the power supply of the air-stopping machine 1 is turned on through the power supply box 6, so that the air-stopping machine 1 works, and the red lead semi-finished products in the feeding device 10 are sent into the screening device 2 through the pipeline.
Then the power supply of the screening device 2, the crushing device 3 and the conveying device 5 is turned on, the screening device 2 comprises a motor I21, a shell 22, an inner screen 23 and an outer screen 24, the inner screen 23 and the outer screen 24 are ellipsoidal, the inner screen 23 is 100 meshes, the outer screen 24 is 200 meshes, the shell 22 is provided with a feed inlet 25 and a product collecting port 26, the inner screen 23 and the outer screen 24 are located in the shell 22, the inner screen 23 is arranged in the outer screen 24, the inner screen 23 and the outer screen 24 are arranged on a rotating shaft of the motor I21, the crushing device 3 is arranged inside the inner screen 23, the crushing device 3 comprises a motor II 31, a shaft shell 33 and a crushing shaft 32, the crushing shaft 32 is arranged on the rotating shaft of the motor II 31, the crushing shaft 32 is located in the shaft shell 33, the shaft shell 33 is provided with a feed inlet 34, and the shaft shell 33 is fixedly arranged on the rotating shaft of the motor I21. The red lead semi-finished products entering the inner screen 23 are screened by the inner screen 23, the red lead semi-finished product particles with the particle size larger than 100 meshes enter the crushing device 3 from the feed inlet 24 under the action of centrifugal force, the red lead semi-finished products with the particle size smaller than 100 meshes enter the outer screen 24, the red lead semi-finished products with the particle size larger than 200 meshes enter the pipeline 51 from the right end of the outer screen 24 after being screened by the outer screen 24, then the red lead semi-finished products with the particle size smaller than 200 meshes are sucked into the conveying device 5, enter the shell 22 and fall into the product collecting port 26.
The red lead semi-finished product particles with the particle size larger than 100 meshes enter the crushing device 3 from the feeding hole 34 on the crushing device 3, then enter the pipeline 51 between the crushing device 3 and the conveying device 5 after being crushed, and are sucked into the cloth bag by the dust suction machine, when the crushed red lead semi-finished product particles pass through the pipeline 51, the impurity removing device 4 can suck the scrap iron in the crushed red lead semi-finished product particles on the inner wall of the pipeline 51, and the scrap iron in the crushed red lead semi-finished product particles is removed. And finally, collecting and packaging the qualified red lead semi-finished product at the product collecting opening 26.
The screening process of the red lead semi-finished product comprises the following steps: firstly, discharging, namely, closing a fan 1 to send the red lead semi-finished product into a screening device 2 from a feeding device 10 at a speed of 12.5kg/min from a feeding hopper; then the red lead semi-finished product is screened by the inner screen 23 in the screening device 2, the red lead semi-finished product with the grain diameter smaller than the meshes of the inner screen 23 enters the outer screen 24, the red lead semi-finished product with the grain diameter larger than the meshes of the inner screen 23 enters the crushing device 3 from the feed inlet 34, the red lead semi-finished product with the grain diameter smaller than the meshes of the outer screen 24 enters the product collecting port 26 of the screening device 2, and the red lead semi-finished product with the grain diameter larger than the meshes of the outer screen 24 enters the conveying device; the red lead semi-finished product with the grain diameter larger than the meshes of the outer screen 24 and the crushed red lead semi-finished product enter a pipeline 51 between the crushing device 3 and the conveying device 5, and the iron filings in the crushed red lead semi-finished product in the pipeline 51 are removed by the strong magnet; then the dust is sucked into the cloth bag by a dust collector, then the cloth bag enters the feeding device 10 again, and the cloth bag is conveyed into the screening device 2 by the air-off fan 1 for screening; and finally, collecting and packaging the qualified red lead semi-finished product at the product collecting opening 26.
The screening device can automatically crush the screened unqualified red lead semi-finished products and then enter the screening device 2, thereby realizing one-time complete screening, improving the production efficiency, saving energy and reducing consumption, and further reducing the production cost of enterprises.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A red lead semi-finished product screening system, comprising:
the feeding device is used for storing the red lead semi-finished product;
a fan is turned off, and the quantitative feeding of the red lead semi-finished product is carried out;
the screening device comprises a motor I, a shell, an inner screen and an outer screen, wherein a charging hole and a product collecting hole are formed in the shell, the charging hole points to the inner screen, the inner screen and the outer screen are positioned in the shell, the inner screen is arranged in the outer screen, and the inner screen and the outer screen are arranged on a rotating shaft of the motor;
the crushing device is arranged inside the inner screen, and comprises a second motor, a shaft shell and a crushing shaft, wherein the crushing shaft is arranged on a rotating shaft of the second motor, the crushing shaft is positioned in the shaft shell, a feeding hole is formed in the shaft shell, and the shaft shell is fixedly arranged on the rotating shaft of the first motor;
the impurity removal device is used for removing scrap iron in the crushed red lead semi-finished product;
the conveying device is used for collecting the crushed red lead semi-finished products;
the power supply box is electrically connected with the air closing machine, the screening device, the crushing device and the conveying device and is used for controlling the on-off of circuits of the air closing machine, the screening device, the crushing device and the conveying device;
the device comprises a feeding device, a wind closing machine, a crushing device, a conveying device and an impurity removing device, wherein the feeding device is connected with the wind closing machine, the wind closing machine is arranged above the screening device and is connected with the screening device through a pipeline, the crushing device is positioned in the screening device and is connected with the conveying device through a pipeline, and the impurity removing device is arranged on the pipeline between the crushing device and the conveying device.
2. The system for screening of red lead semi-finished products according to claim 1, wherein: the feeding device is a feed hopper.
3. The screening system of red lead semi-finished products according to claim 1, wherein: the inner screen and the outer screen are ellipsoidal, the inner screen is 100 meshes, and the outer screen is 200 meshes.
4. The system for screening of red lead semi-finished products according to claim 1, wherein: the impurity removing device is a strong magnet, and the strong magnet is arranged on a pipeline between the crushing device and the conveying device.
5. The system for screening of red lead semi-finished products according to claim 1, wherein: the conveying device is a cloth bag type dust collector.
6. The process for screening by using the screening system of the red lead semi-finished product as claimed in any one of claims 1 to 5, is characterized by comprising the following steps:
1) discharging, namely closing a fan to uniformly feed the red lead semi-finished products in the feeding device into a screening device;
2) screening, namely screening the red lead semi-finished product in a screening device through an inner screen, feeding the red lead semi-finished product with the particle size smaller than the mesh of the inner screen into an outer screen, feeding the red lead semi-finished product with the particle size larger than the mesh of the inner screen into a crushing device, feeding the red lead semi-finished product with the particle size smaller than the mesh of the outer screen into a product collecting port of the screening device, and feeding the red lead semi-finished product with the particle size larger than the mesh of the outer screen into the crushing device;
3) crushing, namely crushing the red lead semi-finished product with the particle size larger than the meshes of the inner screen by a crushing device;
4) removing impurities, namely removing scrap iron in the crushed red lead semi-finished product with unqualified particle size;
5) conveying, namely conveying the crushed red lead semi-finished product with unqualified particle size after removing the scrap iron into a feeding device;
6) and (5) receiving materials, and collecting the qualified red lead semi-finished products at the product collecting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283785.7A CN110976264B (en) | 2019-12-13 | 2019-12-13 | Red lead semi-finished product screening system and process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283785.7A CN110976264B (en) | 2019-12-13 | 2019-12-13 | Red lead semi-finished product screening system and process |
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| Publication Number | Publication Date |
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| CN110976264A CN110976264A (en) | 2020-04-10 |
| CN110976264B true CN110976264B (en) | 2022-06-17 |
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| CN201911283785.7A Active CN110976264B (en) | 2019-12-13 | 2019-12-13 | Red lead semi-finished product screening system and process |
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| CN115415041A (en) * | 2022-07-12 | 2022-12-02 | 铜陵市汇丰高效膨润土有限公司 | Bentonite superfine classification equipment matched with Raymond mill |
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| CN202137114U (en) * | 2011-05-30 | 2012-02-08 | 河南巨龙生物工程股份有限公司 | Pulverized coal conveying system |
| WO2012034547A1 (en) * | 2010-09-14 | 2012-03-22 | Dirk Barnstedt | Method for separating planar and three-dimensional solids in a flow of bulk goods |
| CN206474410U (en) * | 2017-01-04 | 2017-09-08 | 衢州职业技术学院 | A kind of concentrated fertilizer screening machine |
| CN108714542A (en) * | 2018-05-21 | 2018-10-30 | 韩继辉 | A kind of refractory material processing screening plant |
| CN110142210A (en) * | 2019-05-31 | 2019-08-20 | 曾钰云 | A kind of swing type sandstone screening plant |
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2019
- 2019-12-13 CN CN201911283785.7A patent/CN110976264B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB882411A (en) * | 1959-03-16 | 1961-11-15 | Emile Marot Soc | Improvements in or relating to grain cleaning and grading apparatus |
| CN1422706A (en) * | 2001-12-07 | 2003-06-11 | 马奎山 | Bulk material multi-size screening-grading apparatus |
| WO2012034547A1 (en) * | 2010-09-14 | 2012-03-22 | Dirk Barnstedt | Method for separating planar and three-dimensional solids in a flow of bulk goods |
| CN202137114U (en) * | 2011-05-30 | 2012-02-08 | 河南巨龙生物工程股份有限公司 | Pulverized coal conveying system |
| CN206474410U (en) * | 2017-01-04 | 2017-09-08 | 衢州职业技术学院 | A kind of concentrated fertilizer screening machine |
| CN108714542A (en) * | 2018-05-21 | 2018-10-30 | 韩继辉 | A kind of refractory material processing screening plant |
| CN110142210A (en) * | 2019-05-31 | 2019-08-20 | 曾钰云 | A kind of swing type sandstone screening plant |
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| CN110976264A (en) | 2020-04-10 |
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